Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 636
t endless in variety; and there is some four, five, or six features in every file, to adaptthe instrument to the several kinds of work for which the file is used. Most of the names of files ex-press these different features; for instance, the three following files are in common use :—6 inch, blunt,… … FILE. Cockers Circular File, so called, is in reality a shaping machine on a small scale ; the pe-culiarity being that instead of a row cutter, a series of distinct cutters are fitted into a disc, whencethey can be easily removed to be sharpened on a grind stone. Fig. 1627 is a side elevation,…
Mechanical engineering · Mechanics · Engineering
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